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Ball head lock nut as a component element of bicycle head parts

  • US 4,436,468 A
  • Filed: 07/20/1982
  • Issued: 03/13/1984
  • Est. Priority Date: 07/20/1981
  • Status: Expired due to Fees
First Claim
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1. A ball head lock nut as a component element of bicycle head parts, which comprisesa substantially annular body having a threaded, cylindrical internal wall,an annular groove formed in said threaded, cylindrical internal wall,a split clamping ring received within said annular groove,at least one radially extending threaded through hole formed in said annular body with its inner end passing through said annular groove,a deformable fixing piece having a diametrically extending slot formed in its inner end wall,said deformable fixing piece being disposed within said radially extending threaded through hole, with said slot engaged with a part of said clamping ring, anda set screw screwed into said radially extending threaded through hole to push said deformable fixing piece axially inwardly for forcible compression and deformation of said deformable fixing piece.

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